3006945 has 12 divisors (see below), whose sum is σ = 5212116. Its totient is φ = 1603680.

The previous prime is 3006937. The next prime is 3006967. The reversal of 3006945 is 5496003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 2286144 = 849^2 + 1512^2 .

It is not a de Polignac number, because 3006945 - 2³ = 3006937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33366 + ... + 33455.

It is an arithmetic number, because the mean of its divisors is an integer number (434343).

Almost surely, 2^3006945 is an apocalyptic number.

It is an amenable number.

3006945 is a deficient number, since it is larger than the sum of its proper divisors (2205171).

3006945 is a wasteful number, since it uses less digits than its factorization.

3006945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66832 (or 66829 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3006945 is about 1734.0544974135. The cubic root of 3006945 is about 144.3361648513.

The spelling of 3006945 in words is "three million, six thousand, nine hundred forty-five".